Research on potential high-risk invasive alien species in the Beijing-Tianjin-Hebei region
In order to effectively improve the prevention and the ability of controlling invasive alien species in the Beijing-Tianjin-Hebei region and ensure regional biosecurity,the high-risk source countries of invasive alien species in the Beijing-Tianjin-Hebei region were determined based on the two major factors of climate environment and economic activities,and the potential high-risk invasive alien species in the Beijing-Tianjin-Hebei region were identified according to the distribution information of dangerous invasive species published by the International Union for Conservation of Nature.The results showed that there were 5 high-risk sources of invasive alien species in the Beijing-Tianjin-Hebei region,namely,the United States,Germany,Russia,Italy and Canada.Among them,the high-risk source countries of invasive alien species in Beijing were the United States,Germany and Russia,and the high-risk source countries of invasive alien species in Tianjin were the United States,Italy and Russia.The high-risk source countries of invasive alien species in Hebei are the United States and Canada.In total,there are 31 potential high-risk invasive alien species in the Beijing-Tianjin-Hebei region,including 9 potential high-risk invasive alien plants such as Salvinia molesta and Miconia calvescens,and 22 potential high-risk invasive alien animals such as Cinara cupressi and Anopheles quadrimaculatus.Ultimately,based on the invasion pathways and dissemination characteristics of potential high-risk invasive alien species in the Beijing-Tianjin-Hebei region,targeted prevention and control strategies are proposed.
Beijing-Tianjin-Hebei regionhigh-risk invasive alien speciesprevention and control countermeasures